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1991 ls400 factory subwoofer

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Old 08-19-03 | 05:35 PM
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Default 1991 ls400 factory subwoofer

mine has blown out anyone know any good replacements? too bad its only a 6inch sub!
Old 08-19-03 | 07:55 PM
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yeah what size is it i have a 90' and its blown?

thanks
Old 08-19-03 | 07:57 PM
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I believe both are 8" subs.
Old 08-19-03 | 08:21 PM
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Dealer will charge you about @200 for a replacement pioneer unit.

If you plan on replacing this with an aftermarket subwoofer you will need to do some creative thinking to figure out a mount for a newer one. The stock woofer is part of the metal frame that holds it in, replacement is not a simple swap.
Old 08-19-03 | 09:22 PM
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argh it is bolted down. i'm pretty sure its a six inch sub also. theres a sub selling on ebay from a gs300/400, do you guys think that will fit into my car?
Old 08-20-03 | 07:43 AM
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You sure it is a 6"? I'm thinking it is more like 8" like all the other 1st gen LS. Well either way you can get the free air Pioneer sub for a lot cheaper.

Last edited by SQ-LS; 08-20-03 at 07:44 AM.
Old 08-20-03 | 08:11 AM
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Right now I actually took out my stock one because it disinigrated on me and stuck in a 8 inch that i had laying around. It actually snuggled in there pretty well (it was obviously too big) but sits there and doesn't make any noises or movements so I am happy. Works very very well and sounds a lot better!

BTW--the factory subwoofer is in fact, a 6.5 inch-I am positive of that!

-Jason Elcan
Old 08-20-03 | 08:30 AM
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Trust me it's an 8" sub. Lexus did not put in a 6" sub or a 6.5" sub, it is an 8. Guys think about it, a 6 or 6.5 inch speaker is not a sub, it's a midrange speaker. Remeasure.
Old 08-20-03 | 09:50 AM
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Okay, I will remeasure
Old 08-20-03 | 03:56 PM
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maybe i'm talking about the midrange speaker then? its the speaker in the center behind your head in the back seat, bulit into the trunk brake light thing.
Old 08-20-03 | 04:00 PM
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Nope, it is not 8 inches. It is 6.5 Inches. I am now 100% positive. I can call lexus if you want.
Old 08-21-03 | 04:52 PM
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I suggest you get a ruler and measure it. My 92 has a bigger speaker than 6 inches. I bought a factory replacement from iron toad for a lot less than retail. Be careful and specify that you want the speaker made for the american market the one that speaks english. Carpe diem.
Old 08-21-03 | 04:54 PM
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Yup, I got a ruler.....i took a picture too if you want to see it. I am talking about measuring across the woofer, not the metal.
Old 08-24-03 | 06:19 PM
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so many answers...who to listen to? so what is it? 6.-6.5 or 8 inch? it is the speaker in the rear with the brakelight near the backseat headrest area and to me it does look like a 6inch, but i'm not sure i havent taken it out yet.

Jasoneo5, you put an 8inch in there, but does the sub cover still fit over it?
Old 08-24-03 | 08:15 PM
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Ok fine, you had a 6.5" sub Jason, I'm not interested in debating that. But you did say you installed an 8" sub.

Anyway back to the topic: sub replacement. I say you buy some kind of 8" free air sub mastermind. The sub you buy will probably not fit exactly the same as the factory one, so create a baffle to attach it. Just about whatever you buy to replace it will sound better than that factory sub! I suggest you do a forum search because this topic has been discussed many times.

The smallest sub is called an 8". Anything below eight inches is either a mid-range speaker or a tweeter.
8, 10, 12, 15, and 18 are standard subwoofer sizes.
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